<template>
  <div>
    <button @click="show =!show">显示/隐藏</button>
    <!-- 这里的transition标签的name属性值必须与style标签的动画名称一致 -->
    <transition-group name="hello" appear>
        <h1 v-show="!show" key="1">你好啊！</h1>
        <h1 v-show="show" key="2">欢迎来到尚硅谷！</h1>
    </transition-group>
  </div>
</template>

<script>
export default {
    name: 'Test',
    data() {
        return {
            show: true
        }
    }
}
</script>

<style scoped>
    h1 {
        background-color: orange;
        
    }
    /*
    进入的起点,离开的终点
     */
    .hello-enter,.hello-leave-to {
    transform: translateX(-100%);
    }
    /*
    进入的终点，离开的起点
    */
    .hello-enter-to, .hello-leave {
        opacity: 1;
        transform: translateX(0);
    }
    .hello-enter-active, .hello-leave-active {
        transition: 1s linear all;
    }
   
</style>